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United States Patent | 5,181,399 |
Engel ,   et al. | January 26, 1993 |
A method and apparatus for washing laundry without hot water and detergent using a closed loop ozonated wash water system wherein wash water maintained in a storage tank is ozonated by an ozone generator prior to use in a washing machine. The spent wash water is collected, filtered and reused thereby eliminating waste water disposal problems an resulting in considerable water and energy savings. The ozone generator includes a unique air flow configuration to maximize ozone generation resulting in a high efficiency washing system.
Inventors: | Engel; Richard B. (Ft. Pierce, FL); Gallo; John B. (Port St. Lucie, FL); Bladen; Donald H. (Vero Beach, FL); Engel; Virginia F. (Ft. Pierce, FL) |
Assignee: | Tri-O-Clean Laundry Systems, Inc. (Fort Pierce, FL) |
Appl. No.: | 847277 |
Filed: | March 10, 1992 |
Current U.S. Class: | 68/13R; 68/18F; 68/207; 422/186.12; 422/186.19 |
Intern'l Class: | D06F 039/08 |
Field of Search: | 8/158 68/13 R,18 R,18 F,183,207,902 422/186.12,186.18,186.19 |
2529802 | Nov., 1950 | Glass | 68/183. |
3065620 | Nov., 1962 | Houser | 68/13. |
3130570 | Apr., 1964 | Rentzepis | 68/13. |
3194628 | Jul., 1965 | Cannon | 68/13. |
4159971 | Jul., 1979 | Gneupel | 422/186. |
4654199 | Mar., 1987 | Gloor et al. | 422/186. |
4869881 | Sep., 1989 | Collins | 422/186. |
4988484 | Jan., 1991 | Karlson | 422/186. |
5009858 | Apr., 1991 | Mechterscheimer | 422/186. |
Foreign Patent Documents | |||
2910140 | Sep., 1980 | DE | 68/902. |